Bicycle stem



FIG. 1 is a perspective view of a bicycle stem showing my new design;

FIG. 2 is a right side elevational view of the bicycle stem of FIG. 1;

FIG. 3 is a left side elevational view of the bicycle stem of FIG. 1;

FIG. 4 is a front elevational view of the bicycle stem of FIG. 1;

FIG. 5 is a rear elevational view of the bicycle stem of FIG. 1;

FIG. 6 is a top plan view of the bicycle stem of FIG. 1; and,

FIG. 7 is a bottom plan view of the bicycle stem of FIG. 1.

The broken lines shown in the drawings illustrate portions of the bicycle stem that form no part of the claimed design. 

CLAIM The ornamental design for a bicycle stem, as shown and described. 